Electric hair trimmer



FIG. 1 is a front elevational view of an electric hair trimmer showing our new design;

FIG. 2 is a left side elevational view of the trimmer;

FIG. 3 is a right side elevational view of the trimmer;

FIG. 4 is a top plan view of the trimmer;

FIG. 5 is a bottom plan view of the trimmer; and

FIG. 6 is a rear elevational view of the trimmer. 

The ornamental design for an electric hair trimmer, as shown. 